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(a, b, c) Delivery of the delta-sarcoglycan gene through AAV diminishes the percentage of fibrotic areas in hearts. Haematoxylin-eosin staining on frozen sections: untreated (a), treated (b) and wild type (c). The red arrow indicates the fibrotic areas (a), which are absent from the treated and wild type groups. All frozen sections were analyzed at 7 months of age. Original magnification 20×.
